| Place | Post Code |
|---|---|
| Badgebup, Katanning | 6317 |
| Carrolup, Katanning | 6317 |
| Coblinine, Katanning | 6317 |
| Coyrecup, Katanning | 6317 |
| Ewlyamartup, Katanning | 6317 |
| Katanning, Katanning | 6317 |
| Marracoonda, Katanning | 6317 |
| Moojebing, Katanning | 6317 |
| Murdong, Katanning | 6317 |
| Pinwernying, Katanning | 6317 |
| South Datatine, Katanning | 6317 |
| South Glencoe, Katanning | 6317 |